The cheapest Luxembourg to Mumbai return flight on the radar right now is €377, flying with British Airways via one or more connections. It covers departures in October 2026, and every dated link below opens that exact LUX–BOM search on Skyscanner. That is roughly 23% below the €491 this route usually costs. Across 54 recorded checks it has ranged between €377 and €572. Our sampling points to October 2026 as the cheapest month to fly Luxembourg to Mumbai.
Prices are re-checked against Skyscanner automatically, and every one shows when it was last confirmed, so nothing here is older than it looks. Not flying from Luxembourg? We track 54 other departure cities for Mumbai, listed at the foot of this page.
Prices like this tend to vanish fast. If it has gone when you look, try the days either side of the dates above, since Luxembourg to Mumbai is often still worth booking within a day or two of the fare we found.